Electricity: single generator systems – Generator control – With armature or primary circuit control
Patent
1993-05-27
1995-01-10
Peckman, Kristine L.
Electricity: single generator systems
Generator control
With armature or primary circuit control
318696, 318701, H02P 800, H02P 900
Patent
active
053810813
ABSTRACT:
A switched reluctance generator system provides an ac output voltage through only one stage of power conversion. The system includes a converter for coupling a dc voltage via a dc excitation bus to a switched reluctance generator and thereby providing excitation power thereto, and further includes a separate ac generator bus for providing the ac output voltage. A bridge-type configuration of thyristor-type switching devices are used to couple power generated across each respective machine phase winding to the ac generator bus. During initiation of generating action and load faults, the thyristor-type switching devices are turned off such that the ac generator bus is effectively disconnected from the switched reluctance generator, allowing the excitation bus to be charged to a desired level. During normal generating operation, the thyristor-type switching devices are appropriately gated, increasing and decreasing current as needed, to provide the ac output voltage on the ac generator bus. Furthermore, the switched reluctance ac generator system is self-excited after generating action is initiated, even during load faults, and is also capable of resuming normal generating operation following occurrence of a short-circuit fault.
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Breedlove Jill M.
General Electric Company
Peckman Kristine L.
Snyder Marvin
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